Calculated Industries 4050-F - Manual (Page 5)

P
OCKET
R
EFERENCE
G
UIDE
— 1
KEY DEFINITIONS / FUNCTIONS
Basic Function Keys
+ – x
Arithmetic operation keys.
÷ =
0
– 9 Keys used for entering
and • numbers.
%
Percent Key — Four-func-
tion (+, –, x, ÷) percent key.
O
Off Key — Turns all power
off, clearing all non-perma-
nent registers.
o
On/Clear Key — Turns on
power. Pressing once clears
the display. Pressing twice
clears all temporary values.
Ç
Convert Key — Used with
the dimensional keys to
convert between dimen-
sions or with other keys to
access special functions.
√
Square Root Key — Used to
find the Square Root of a
non-dimensional or area
value.
GETTING STARTED